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46649893 = 291608617
BaseRepresentation
bin1011000111110…
…1001000100101
310020210001121211
42301331020211
543420244033
64343511421
71104342343
oct261751045
9106701554
1046649893
1124372834
1213758571
1398845b4
1462a4993
1541672cd
hex2c7d225

46649893 has 4 divisors (see below), whose sum is σ = 48258540. Its totient is φ = 45041248.

The previous prime is 46649891. The next prime is 46649909. The reversal of 46649893 is 39894664.

46649893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36397089 + 10252804 = 6033^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 46649893 - 21 = 46649891 is a prime.

It is a super-2 number, since 2×466498932 = 4352425033822898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46649891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804280 + ... + 804337.

It is an arithmetic number, because the mean of its divisors is an integer number (12064635).

Almost surely, 246649893 is an apocalyptic number.

It is an amenable number.

46649893 is a deficient number, since it is larger than the sum of its proper divisors (1608647).

46649893 is a wasteful number, since it uses less digits than its factorization.

46649893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608646.

The product of its digits is 1119744, while the sum is 49.

The square root of 46649893 is about 6830.0726936102. The cubic root of 46649893 is about 359.9842920101.

The spelling of 46649893 in words is "forty-six million, six hundred forty-nine thousand, eight hundred ninety-three".

Divisors: 1 29 1608617 46649893